# AD 64-14-04: Control Flap Lever

- Type: Airworthiness directive
- Status: Current
- Products: Dornier-Werke Do 27 Q-6 and Do 28 A-1
- Effective: July 17, 1964
- Published: June 16, 1964
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 4 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6CB930E053E21BA786256A38004C5513.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/64-14-04

## The airworthiness directive

64-14-04 DORNIER: Amdt. 748 Part 507 Federal Register June 16, 1964. Applies to Model DO-28 A1 Aircraft Serial Numbers 3024 through 3060 and All Model DO-27 Q6 Aircraft Equipped With Landing Flap Actuating Levers Without a Control Grip.

Compliance required within the next 100 hours' time in service after the effective date of this AD.

In order to preclude an unintentional retraction of flaps, modify all levers without control grips by installing a cover in accordance with Dornier Technical Bulletin No. 27-18 dated October 16, 1963, for Model DO-27 Q6 aircraft and Bulletin No. 28-12 dated October 16, 1963, for Model DO-28 A1 aircraft.

(Dornier Technical Bulletins No. 27-18 dated October 16, 1963, and No. 28-12 dated October 16, 1963, cover this same subject.)

This directive effective July 17, 1964.

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 7A13](https://openairdocs.org/tcds/7A13): General Atomics AeroTec Systems GmbH; names 1 of 2 models: Do 28 A-1
- [TCDS A8IN](https://openairdocs.org/tcds/A8IN): General Atomics AeroTec Systems GmbH; names 1 of 1 models: Do 27 Q-6

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 4 (4 by airframe model, 0 by engine model)
- Makers: Dornier 4

Models with the most aircraft:

- [Dornier DO28 A-1](https://openairdocs.org/model/dornier-do28-a-1): 3 aircraft (airframe model)
- [Dornier DO 27-Q6](https://openairdocs.org/model/dornier-do-27-q6): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/64-14-04/models.md
Every aircraft: https://openairdocs.org/ad/64-14-04/aircraft.md

Its text cites no advisory circulars or STCs.

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